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Why chest deformities prevent normal expansion and make ventilation difficult in terms of pressure and volume.?
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What is the pressure of air outside the body called?
ventilation
What are two characteristics of explosive eruptions?
Two characteristics of an explosive eruption are a rapid expansion and massive pressure. Due to the violent nature of an explosion, they are extremely dangerous and difficult to accurately predict.
What is free expansion in thermodynamics?
In free expansion, the external pressure is zero, i.e. work done is zero. Accordingly, free expansion is also called irreversible adiabatic expansion.
What is Coefficient of cubical expansion of heavy water?
The coefficient of thermal expansion depends on the temperature and pressure. It a pressure of 1 atmosphere the coefficient of thermal expansion are:at 4 deg C : –0.1321 at 20 deg C : 0.1212 at 50 deg C : 0.4280 at 100 deg C: 0.7454.
What will happen if a sudden expansion is provided immediately after the throat of a venturimeter?
The expansion will be uncontrolled and a considerable amount of eddying will occur downstream. This results in a higher friction loss and a lower pressure recovery.
What is pressure trigger?
A pressure trigger is a trigger for initiating assisted ventilation. A pressure trigger consists of a measuring pressure and starting assisted ventilation when the pressure reaches the desired level.
What is the pressure of air outside the body called?
ventilation
What are the signs that positive pressure ventilation has been effective and may be discontinued?
Positive pressure ventilation is the use of life sustaining systems to help individuals that are showing respiratory distress. The signs that positive pressure ventilation has been successful are breathing over the ventilator and blood gas labs that are in normal ranges.
How positive pressure ventilation effect fi02?
positive pressue ventilation is usually provided by a mechanical ventilator. A blend of oxygen and air coming out of the ventilator. The FiO2 is set on the ventilator. The person gets the FiO2 set on the ventilator.The manual positive pressure ventilation is by resuscitating with a self inflating bag usually provided with oxygen. FiO2 is fractional inspired oxygen and does not change with positive pressure ventilation or negative pressure ventilation. Manual bagging FiO2 may be changing according to supply of oxygen, inhalation (speed and volume) and frequency of bagging.
Which finding is an indication for using positive-pressure ventilation?
Apnea or gasping
Which finding is an indication for using positive pressure ventilation?
Apnea or gasping
What mode of ventilation to use in restrictive lung diseases?
pressure control
What is a complication associated with positive-pressure ventilations?
The complication that is usually associated with the positive-pressure ventilation is that the lung can be injured.
Why do you need ventilation on a plane?
Ventilation is important on a plane to compensate for air pressure as the plane is in a high altitudes and also to maintain suitable temperature and oxygen levels,
What is the most immediate driving force behind pulmonary ventilation?
intrapulmonary pressure change
What are two characteristics of explosive eruptions?
Two characteristics of an explosive eruption are a rapid expansion and massive pressure. Due to the violent nature of an explosion, they are extremely dangerous and difficult to accurately predict.
Which of the following places has the highest atmospheric pressure?
The lowest level of the deepest mine (In South Africa), will have the highest atmospheric pressure. But because of the forced ventilation and cooling systems needed, the air pressure at the lowest levels of the mine will not represent natural atmospheric pressures. [unless the ventilation systems fail!}
